Please describe the error and provide the correct answer i need it asap

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)